Lug for tractor wheels and the like



M y 1929. J. THIES ET AL LUG FOR TRACTOR WHEELS THE LIKE Fild July 14, 192'? Patented May 14, 1929.

JOHN THIES AND FRANK THIES, OF IIUTCHINSON, KANSAE.

LUG FOR TRACTOR WHEELS AND THE LIKE.

Application filed July 14,

This invention relates to a detachable lug for use on. the wheels of tractors and the like, one of the objects being to provide a simple and eflicient device of this character which is reversible so that when the outer or working end of the lug becomes worn the device can be removed, reversed, and re placed, thereby doubling its lite. l A further object is to provide a lug which can be reversed for use when a wheel is to be rotated in either direction, the parts be ing so assembled that the lug, can, it' deslred, be reversed without completely removing its attaching means.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed may be made within the scope oi. what is claimed, without departing from the spirit of the invention.

In the accompanying drawings, the prei'erred forms of the invention have been shown.

In said drawings,

Figure 1 is a side elevation of a portion of a wheel rim, part of said rim and the lug thereon being shown in section.

Figure 2 is a perspective view of the lug.

Figure 3 is a section through a portion of a wheel rim and a modified form or lug, an intermediate position of the lug during the reversing operation, being indicated by broken lines.

Figure 4 is a perspective view of the lug shown in Figure 3.

Referring to the figures by characters of reference 1 designates an arcuate plate the ends of which are preferably rounded elf to transverse edges 2 while the sides of this plate are provided with parallel integral wings 3. A transverse web 4 is interposed between. and integral. with the wing and radiates from the center of the convex face oi plate 1, the outer or free edge 5 of this web being reduced, as shown, and constituting one of the bearing edges of the lug. An opening 6 is extended through the web close to the plate 1 and in opposite faces of the web are provided recesses 7 constituting seats for a Belt head.

The free edges 01 the wings 5 are preferably slightly concaved in the direction of 1927. Serial No. 205,682.

their length so that when applied to the rim R of a wheel, they will conform with the curvature thereof and lit snugly thereagainst as shown particularly in Figure 1. The wheel. rim has an opening A for each lug and after the lug has been positioned properly adjacent the opening with one of the edges 2 bearing against the rim, a bolt 8 is inserted through the opening 6 and the rim opening A until the head of the bolt rests in the outer recess 7'. Said bolt is then tightened by means of a nut 9 and, it desired, an angular washer 10 can be inter posed. between the nut 9 and the inner surface of the rim It. This arrangement of the parts has been illustrated. in. Figure 1.

By tightening the bolt the parts are obviously held together securely. Shoi'lld the outer portion of the lug become worn the same can easily be detached, reversed and resecured to the rim. By providing an opening A which is tapered as shown in Figure l the lug can be reversed so as to be effective when the wheel is revolved in the opposite direction. Thus reversal can be efliected simply by loosening the bolt, revolving the lug therearound so as to cause the bolt to swing to another angle, after which the bolt can be tightened, thus holding the lug in a position opposite to that illustrated in Figure 1 so that it will be effective when the wheel is rotated oppositely to the direction for which the parts are shown set in Figure 1.

Oi. course it it is not designed to utilize a lug reversible for movement in either of two directions, it is not necessary to use a tapered opening A.

Another form oi. reversible lug has been illustrated in Figures 3 and 1-. This lug includes a casting having a concave working face 11 rounded at its ends to the edges 12. This lug is formed of a solid block having an angular recess 13 in its working face and a slot 1% opens into this recess across the angle portion of the back oi? the lug. Recess lis designed to receive the head 15 of a bolt 16 and when the lug arranged on the rim of a wheel as shown at R this belt can be used for binding the lug firmly against the rim. For the purpose of reversing the position of the lug on the rim the bolt 16 is loosenedsuiiiciently to allow the leg to rock or tilt from one position to another. An intermediate position assumedv by the lug during this operation has been indicated by broken lines in Figure 3. Both of the rim engaging faces ofthe lug are recessed so as to fit snugly upon the wheel rim when clamped thereto.

Vhat is claimed is: V

A reversible lug for tractor wheels ino1udingran arcuate member having an outwardly extending active face, baekwardiy extending wings at the sides of said face, a transversely disposed central web between and iniO'tQgIZH with the wings, said web radiating from the ureuate member and having an aperture, and means extendlng through said aperture for holding the outer edge of the 1 I .1 V 7' .2 V .3 e0 and eithei end 01 the actne iaee ol the lug against the rim of :1 wheel.

In testimony that we claim the foregoing as our own, we have hereto afllxed our signatures.

JOHN THIES. FRANK THIES. 

